共查询到20条相似文献,搜索用时 171 毫秒
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随着石化行业循环水系统的发展越来越趋向大型化,以及供水点要求条件的差异化,循环水管网的优化设计、循环水泵的正确选择乃至整个循环水系统设计的合理性应引起重视。结合工程实例,论述了软件在优化循环水管网设计以及指导循环水系统选泵方面的重要意义,达到了扫除设计盲点的目的,使设计更加准确、经济、合理。 相似文献
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结合某水泥厂的设计实例,对水泥厂工程中的工业循环冷却水系统的方案确定、设备选型、循环水泵房布置以及循环水管网进行了较为详细的设计,以满足水泥工艺生产对工业循环水的要求。 相似文献
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循环冷却水水质稳定处理的系统设计要求 总被引:1,自引:0,他引:1
作者根据循环冷却水系统水质稳定处理实施工作的冲洗,化学清洗,预膜及正常处理步骤,对于系统的排空、清扫、充水置换,监测及正常加药等的技术要求,对循环冷不工程设计提出了相关建议。 相似文献
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Jaime N. M. De Souza Fabyana F. Ventin Viviane B. G. Tavares André L. H. Costa 《Chemical Engineering Communications》2013,200(8):1054-1076
This article addresses the design problems associated with pipe networks in cooling water systems. The objective is to determine the lowest cost network that can supply the heat exchangers with cooling water at the flow rates previously established in the thermal design. The solution to the problem provides the diameter for each section of pipe in the network together with the corresponding pump alternative. The objective function and constraints are organized in a matrix formulation where the solution consists of a set of linear programming problems. The basic structure of the optimal design problem also extends to the solution for revamp problems. The comparison of the proposed approach to the traditional solution based on economical velocities indicates that the optimization scheme can make pipe network designs less expensive and more reliable for supplying cooling water. 相似文献
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应用三元流技术对浩良河化肥分公司老循环水泵站中的4#~9#6台循环水泵的改造,4#~6#泵流量从2016t/h提高到3000t/h;7#~9#扬程从31.1m提高到50m,从半年多的运行来看比较成功,该技术对水泵设计、管网调整、优化水厂水泵经济运行及对已有水厂水泵改造有一定推广应用价值。 相似文献
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工业循环冷却水系统设计 总被引:2,自引:0,他引:2
详细介绍了某循环冷却水系统设计中的水量计算、主要设备选型及系统布置等方面内容,经过几年的生产运行,该系统的设计能力满足生产需要,系统运行稳定、可靠。同时针对节能降耗要求提出了优化措施,可大幅降低运行费用,节能效果显著。 相似文献
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热媒膨胀槽在热媒循环系统中具有重要的作用。它可以吸收热媒膨胀量 ,平衡热媒管系、排气、排水 ,防止热媒氧化劣化 ,并可安全补油。在设计时要合理确定其压力、容积 ,配管时要注意消除热膨胀 ,增加管道的柔性等。 相似文献
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Energy consumption of the fluid machinery network in a circulating water system takes up a large part of energy consumption in the process industry, so optimization on the network will enhance the economic and environmental performance of the industry. In this paper, a synthesis approach is proposed to obtain the optimal network structure. The effective height curves are used as tools to perform energy analysis, so that the potential placement of water turbines and auxiliary pumps can be determined with energy benefit. Then economic optimization is carried out, by the mathematical model with the total cost as the objective function, to identify the branches for water turbines and auxiliary pumps with economic benefit. In this way, the optimal fluid machinery network structure can be obtained. The results of case study indicate that the proposed synthesis approach to optimize the fluid machinery network will obtain more remarkable benefits on economy, compared to optimizing only the water turbine network or pump network. The results under different flowrates of circulating water reveal that using a water turbine to recover power or adding an auxiliary pump to save energy in branches are only suitable to the flowrate in a certain range. 相似文献
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闭式循环冷却水系统因其可观的节水效果,将被大规模应用已成共识,但闭式循环冷却水系统在大型煤化工项目中的运用实例较少。针对闭式循环冷却水系统节水率选择、喷淋水设计、系统防冻措施等方面进行了探讨,以使得整个闭式循环冷却水系统的设计更趋于完善可靠,为未来大规模工程化应用提供设计参考。 相似文献
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蒸汽管道是化工装置中重要的公用工程管道。从工艺系统和管道布置角度出发,阐述了蒸汽管道管径的合理原则、管道布置和应力的结合、蒸汽疏水系统的设置、蒸汽冷凝液的回收以及蒸汽管道布置避免水锤现象的设计要点。 相似文献